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[ubuntu] Troubleshooting "Kernel panic - not syncing: VFS: Unable to mount root fs on unknown"

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http://ubuntuforums.org – Hi All, I have read throug the previous posts for related issues, but haven't been able to resolve the issue. In my case, the Ubuntu Server 12.04 is running as a VM on a ESX host. It has been working fine up until yesterday, when this problem occured. I tried restarting the VM and got the error. Since then, I have been able to boot the VM using a LiveCD in i Recovery Mode. I learned about the bootinfoscript in another post and have extracted the RESULTS.txt from the VM. I used /dev/hostname/root as root file system when I initiated recovery mode and was able to access the filesyste (Hardware)